LITTELFUSE JAPAN G.K.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01C RESISTORS1613
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 1480
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 1067
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 6148
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 2131
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0278,600 PTC DEVICE AND SECONDARY BATTERY HAVING SAMEJun 12, 17Sep 28, 17[H01M, H01C]
2017/0279,107 ELECTRODENov 13, 15Sep 28, 17[H01M, H01C]
2016/0189,897 Protection DeviceJul 17, 14Jun 30, 16[H01H]
2015/0229,118 PROTECTIVE DEVICEDec 17, 12Aug 13, 15[H01H, H02H]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9923362 Protective deviceDec 17, 12Mar 20, 18[H01C, H01H, H02H]
9831054 Insulated thermal cut-off deviceMar 27, 14Nov 28, 17[H01H]
9831056 Protection deviceOct 19, 12Nov 28, 17[H01C, H01H]
9728764 Alkaline storage batteryAug 07, 13Aug 08, 17[H01M]
9697933 PTC deviceJul 18, 16Jul 04, 17[H01C, H02H]
9520245 Contact structureNov 09, 11Dec 13, 16[H01H]
9413158 PTC deviceMay 01, 12Aug 09, 16[H01C, H02H]
9287696 PTC deviceJun 14, 12Mar 15, 16[H01C, H02H]
9142949 PTC deviceJul 27, 12Sep 22, 15[H01C, H02H]
8723636 PTC deviceNov 06, 09May 13, 14[H01C]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0062,167 Protective DeviceAbandonedAug 18, 14Mar 02, 17[H01H]
2013/0196,182 PTC Device and Secondary Battery Having the SameAbandonedJul 01, 11Aug 01, 13[H01M, H01C]
2012/0120,538 Circuit Protection DeviceAbandonedJan 20, 12May 17, 12[H02H]
2012/0026,635 PTC DEVICE, PTC DEVICE MANUFACTURING METHOD, AND ELECTRIC DEVICE PROVIDED WITH PTC DEVICEAbandonedDec 15, 08Feb 02, 12[H01C, H02H]
2011/0140,827 CIRCUIT PROTECTION DEVICEAbandonedApr 17, 09Jun 16, 11[H01H]
2010/0328,832 Electrical Composite ElementAbandonedJul 27, 06Dec 30, 10[H02H]
2010/0208,406 CIRCUIT PROTECTION DEVICEAbandonedMar 11, 08Aug 19, 10[H02H]
2010/0013,591 Protection DeviceAbandonedMay 14, 07Jan 21, 10[H01H]
2007/0170,831 Ptc element and fluorescent lamp starter circuitAbandonedOct 20, 04Jul 26, 07[H01J]
2005/0062,581 Polymer ptc thermistor and temperature sensorAbandonedNov 16, 04Mar 24, 05[H01C]
2003/0218,529 Electrical assemblies and devicesAbandonedApr 01, 03Nov 27, 03[H01C]
6542066 Electric assembly and deviceExpiredJun 08, 00Apr 01, 03[H01C]
6114942 PTC device and battery pack using the sameExpiredApr 09, 98Sep 05, 00[H01C]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.